After drying flooding tide enabled. Prior to use, "Cooling Fan Manufacturer" into the sun for several hours under the sun, to disperse the internal moisture to avoid leakage. Check the plugs and wires. You can use to check if the plug is damaged, broken or without connecting wires exposed, if it should be repaired or replaced. Check the anti-loosening screws. Check the "Cooling Fan Manufacturer" fixing screws and various parts of the fan and grille is loose, then you want to install securely. Especially the ceiling fan on the roof, a full review of whether the firm, to prevent the parts and even entire "Cooling Fan Manufacturer" off wounding. Remove surface dirt and oil. Dust and oil on motors and other devices are corrosive, so disconnect the power supply shutdown month, once a surface cleaning.